[rhelv6-list] Opinions on multi-head

Jussi Silvennoinen jussi_rhel6 at silvennoinen.net
Thu May 31 05:43:00 UTC 2012


>> >  As far as I know, ATI cards can only drive more than two displays if
>> >  you're using pure DisplayPort protocol. Using passive DP->DVI adapters
>> >  you can only drive two monitors.
>>
>>  ATI cards (in my case a 5770) are fine driving one monitor via an active
>>  DisplayPort->DVI adapter and two more by DVI directly for a total of
>>  three. It's the configuration I am running right now.
>
> I wound up going with the ATI FirePro v4900 for triple head on RHEL6. I am 
> using the DVI port, and two DisplayPort to DVI cables to drive three 
> monitors.
>
> An interesting note... The AMD binary driver locked up the machine. Using the 
> native RHEL driver, all three screens work, and I get accelerated X and 
> compiz works great.

Out of curiosity, what kind of performance do you get? In something 
rudimentary like glxgears.

-- 

   Jussi




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